Bagous frit (Herbst, 1795)
The larvae tunnel in the lower, fleshy parts of the stems, that turn conspicuously brown. There also the pupation takes place.
Univoltine; hibernation as imago.
distribution within Europe
Benedikt, Borovec, Fremuth ao (2010a), Bosmans (2012a), Delbol (2013a), Dieckmann (1983a), Reinheimer & Hassler (2010a).